Update PG_81301.java

Author: haemin4738

src/week02/haemin/PG_81301.java

@@ -6,7 +6,7 @@ class Solution {
 
     private static HashMap<String, String> map = new HashMap<>();
 
-    public int solution(String s) {
+    public int solution1(String s) {
         // map 구성
         map.put("zero", "0");
         map.put("one", "1");